smartknowledgeu.com - dns.ninja

`smartknowledgeu.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c3b2^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:54b4^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.84.180^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.195.178^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`george.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`george.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`george.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`george.ns.cloudflare.com`
		A	108.162.193.167^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`george.ns.cloudflare.com`
		A	172.64.33.167^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`george.ns.cloudflare.com`
		A	173.245.59.167^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`george.ns.cloudflare.com`
NS	`ziggy.ns.cloudflare.com`
		A	2606:4700:50::a29f:26ed^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ziggy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ed^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ziggy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ed^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ziggy.ns.cloudflare.com`
		A	108.162.194.237^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ziggy.ns.cloudflare.com`
		A	162.159.38.237^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ziggy.ns.cloudflare.com`
		A	172.64.34.237^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ziggy.ns.cloudflare.com`
MX	`mx.stackmail.com` ⭐
		A	185.151.28.67^{🇬🇧 TWENTYI185.151.28.0/24}
			PTR	`mx.stackmail.com`
TXT	`v=spf1 include:spf.stackmail.com a mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.84.180, 172.67.195.178
		IPv6 hints	2606:4700:3030::ac43:c3b2, 2606:4700:3031::6815:54b4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=22, name=cloudflare-ech.com
SOA	`george.ns.cloudflare.com`dns@cloudflare.com serial=2403890385

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1782440935

Previously MX for

www.smartknowledgeu.com

smartknowledgeu.com

Subdomains

www.smartknowledgeu.com

Same first word

smartknowledgeu.com

DNS History

17 records (7 active, 10 former)

●NSgeorge.ns.cloudflare.com2026-02-14 → 2026-06-26 · 3 obs

○ 2017-10-23 08:09:30
● 2026-02-14 21:59:00
● 2026-06-26 02:30:24

○NSns.vps168192.hostsg.com2015-07-24 → 2017-10-23 · 4 obs

● 2015-07-24 07:04:32
● 2017-10-23 08:09:30
○ 2026-02-14 21:59:00
○ 2026-06-26 02:30:24

○NSns2.vps168192.hostsg.com2015-07-24 → 2017-10-23 · 4 obs

● 2015-07-24 07:04:32
● 2017-10-23 08:09:30
○ 2026-02-14 21:59:00
○ 2026-06-26 02:30:24

●NSziggy.ns.cloudflare.com2026-02-14 → 2026-06-26 · 3 obs

○ 2017-10-23 08:09:30
● 2026-02-14 21:59:00
● 2026-06-26 02:30:24

●MXmx.stackmail.com2026-02-14 → 2026-06-26 · 3 obs

○ 2017-10-23 08:09:30
● 2026-02-14 21:59:00
● 2026-06-26 02:30:24

○MXsmartknowledgeu.com2015-07-24 → 2017-10-23 · 4 obs

● 2015-07-24 07:04:32
● 2017-10-23 08:09:30
○ 2026-02-14 21:59:00
○ 2026-06-26 02:30:24

●A104.21.84.1802026-02-14 → 2026-06-26 · 7 obs

○ 2017-10-23 08:09:30
● 2026-02-14 21:59:00
● 2026-03-15 03:07:48
○ 2026-03-15 20:29:58
○ 2026-03-25 20:55:02
● 2026-04-19 20:42:42
● 2026-06-26 02:30:24

●A172.67.195.1782026-02-14 → 2026-06-26 · 7 obs

○ 2017-10-23 08:09:30
● 2026-02-14 21:59:00
● 2026-03-15 03:07:48
○ 2026-03-15 20:29:58
○ 2026-03-25 20:55:02
● 2026-04-19 20:42:42
● 2026-06-26 02:30:24

○A188.114.96.02026-03-15 → 2026-03-25 · 5 obs

○ 2026-03-15 03:07:48
● 2026-03-15 20:29:58
● 2026-03-25 20:55:02
○ 2026-04-19 20:42:42
○ 2026-06-26 02:30:24

○A188.114.97.02026-03-15 → 2026-03-25 · 5 obs

○ 2026-03-15 03:07:48
● 2026-03-15 20:29:58
● 2026-03-25 20:55:02
○ 2026-04-19 20:42:42
○ 2026-06-26 02:30:24

○A203.175.168.1922015-07-24 → 2017-10-23 · 4 obs

● 2015-07-24 07:04:32
● 2017-10-23 08:09:30
○ 2026-02-14 21:59:00
○ 2026-06-26 02:30:24

●A2606:4700:3030::ac43:c3b22026-06-21 → 2026-06-26 · 3 obs

○ 2026-04-19 20:42:42
● 2026-06-21 14:29:44
● 2026-06-26 02:30:24

●A2606:4700:3031::6815:54b42026-06-21 → 2026-06-26 · 3 obs

○ 2026-04-19 20:42:42
● 2026-06-21 14:29:44
● 2026-06-26 02:30:24

○A2606:4700:3032::6815:54b42026-02-14 → 2026-04-19 · 8 obs

○ 2017-10-23 08:09:30
● 2026-02-14 21:59:00
● 2026-03-15 03:07:48
○ 2026-03-15 20:29:58
○ 2026-03-25 20:55:02
● 2026-04-19 20:42:42
○ 2026-06-21 14:29:44
○ 2026-06-26 02:30:24

○A2606:4700:3033::ac43:c3b22026-02-14 → 2026-04-19 · 8 obs

○ 2017-10-23 08:09:30
● 2026-02-14 21:59:00
● 2026-03-15 03:07:48
○ 2026-03-15 20:29:58
○ 2026-03-25 20:55:02
● 2026-04-19 20:42:42
○ 2026-06-21 14:29:44
○ 2026-06-26 02:30:24

○A2a06:98c1:3120::2026-03-15 → 2026-03-25 · 5 obs

○ 2026-03-15 03:07:48
● 2026-03-15 20:29:58
● 2026-03-25 20:55:02
○ 2026-04-19 20:42:42
○ 2026-06-26 02:30:24

○A2a06:98c1:3121::2026-03-15 → 2026-03-25 · 5 obs

○ 2026-03-15 03:07:48
● 2026-03-15 20:29:58
● 2026-03-25 20:55:02
○ 2026-04-19 20:42:42
○ 2026-06-26 02:30:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
smartknowledgeu.com	george.ns.cloudflare.com, ziggy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.167

NS records: george.ns.cloudflare.com, ziggy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartknowledgeu.com (unsigned zone)

⏱️ Timing

Total: 710ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.84.180, 172.67.195.178`
AAAA	2	`2606:4700:3031::6815:54b4, 2606:4700:3030::ac43:c3b2`
NS	2	`george.ns.cloudflare.com, ziggy.ns.cloudflare.com`
MX	1	`mx.stackmail.com (pri: 10)`
TXT	1	`v=spf1 include:spf.stackmail.com a mx -a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`george.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (george.ns.cloudflare.com, george.ns.cloudflare.com, george.ns.cloudflare.com...)

Analysis

Hierarchy

smartknowledgeu.com is the parent zone for www.smartknowledgeu.com.

IP Addresses

smartknowledgeu.com resolves to four IP addresses: 104.21.84.180, 172.67.195.178, 2606:4700:3030::ac43:c3b2 and 2606:4700:3031::6815:54b4.

Two other host names, along with www.nodepositexplorer.com, pelisplus2.legal and xvf0.com, also share IP numbers with smartknowledgeu.com.

Name Servers

smartknowledgeu.com has two authoritative name servers — george.ns.cloudflare.com and ziggy.ns.cloudflare.com.

smartknowledgeu.com shares its NS records with other domains, for example ourgv.com, beachroadbistro.com, mcr-rus.org and two others.

smartknowledgeu.com partially shares its NS delegation with several other domains, including johnynewman.com, theo-earning.com, consumercheck.co and two others.

These name servers are regularly seen alongside ignat.ns.cloudflare.com and lamar.ns.cloudflare.com as name servers.

DNS names with 6 IP addresses:

george.ns.cloudflare.com points to 108.162.193.167, 172.64.33.167, 173.245.59.167 and 3 other IP addresses.

ziggy.ns.cloudflare.com points to 108.162.194.237, 162.159.38.237, 172.64.34.237 and 3 other IP addresses.

Mail Servers

The sole mail server for smartknowledgeu.com is mx.stackmail.com.

Among the domains sharing a mail server setup with smartknowledgeu.com are garitoto.mobi, amaoc.org, carnegiesolutions.com and two others.

mx.stackmail.com points to one IP number — 185.151.28.67.